The following are examples of wikispaces for different purposes. Please add good examples as you come across them in your travels.

Professional Development Wikis

Example of a professional development course using a wiki.
http://workshoponestop.wikispaces.com/

An online conference that uses a wikispace to give credit for attendance.
http://k12onlinecredit.wikispaces.com/

Classroom use of Wikispaces

Foreign Language class http://dhsespanol.wikispaces.com/
Fayetteville HS Wolves Den http://fhswolvesden.wikispaces.com/

Collaboration

Educational Software and Web 2.0 http://educationalsoftware.wikispaces.com/
Science http://scienceinquirer.wikispaces.com/

Other Examples:

[[educationalwikis:Examples of educational wikis|]][[educationalwikis:Examples of educational wikis|]]

http://educationalwikis.wikispaces.com/Examples+of+educational+wikis